function c() {
    let cc = '0123456789abcdef';
    let ccc = '#';
    ccc += cc.charAt(Math.round(Math.random() * (cc.length - 1)));
    ccc += cc.charAt(Math.round(Math.random() * (cc.length - 1)));
    ccc += cc.charAt(Math.round(Math.random() * (cc.length - 1)));
    ccc += cc.charAt(Math.round(Math.random() * (cc.length - 1)));
    ccc += cc.charAt(Math.round(Math.random() * (cc.length - 1)));
    ccc += cc.charAt(Math.round(Math.random() * (cc.length - 1)));
    return ccc;
}
